Jennifer Lopez, along with her beau Casper Smart, Cameron Diaz, Brooklyn Decker, Elizabeth Banks, Anna Kendrick, Matthew Morrison, Chace Crawford, Joe Manganiello, Ben Falcone and Rodrigo Santoro all walked the red carpet at the premiere, which brought out tons of fans. It seemed that Dennis Quaid and Chris Rock werethe only absent members of the cast.

Brooklyn Decker, Elizabeth Banks, Cameron Diaz, Jennifer Lopez and Anna Kendrick pose together at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: Getty Images

2 of 12

2. Jennifer Lopez and Cameron Diaz May 15

Jennifer Lopez and Cameron Diaz cozy up at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: Getty Images

3 of 12

3. Jennifer Lopez May 15

Jennifer Lopez arrives at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: Getty Images

4 of 12

4. Casper Smart and Jennifer Lopez May 15

Jennifer Lopez and her beau Casper Smart arrive at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: Getty Images

5 of 12

5. Jennifer Lopez and Rodrigo Santoro May 15

Jennifer Lopez and Rodrigo Santoro at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Brooklyn Decker, Elizabeth Banks, Cameron Diaz, Jennifer Lopez and Anna Kendrick pose together at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: G

2. Jennifer Lopez and Cameron Diaz May 15

Jennifer Lopez and Cameron Diaz cozy up at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: G

3. Jennifer Lopez May 15

Jennifer Lopez arrives at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: G

4. Casper Smart and Jennifer Lopez May 15

Jennifer Lopez and her beau Casper Smart arrive at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.

Photo credit: G

5. Jennifer Lopez and Rodrigo Santoro May 15

Jennifer Lopez and Rodrigo Santoro at the premiere of 'What to Expect When You're Expecting' at Grauman's Chinese Theatre in Hollywood, Calif., on May 14.